20526410

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2531}}^1$

素因数の和:3349

約数の個数: 16

約数和(自身を含む): 37007712

約数和(自身を除く): 16481302

約数列:

[1, 2, 5, 10, 811, 1622, 2531, 4055, 5062, 8110, 12655, 25310, 2052641, 4105282, 10263205, 20526410]

約数ペア:

[(1, 20526410), (2, 10263205), (5, 4105282), (10, 2052641), (811, 25310), (1622, 12655), (2531, 8110), (4055, 5062)]